 *{
    margin: 0;
    padding: 0;
    font-family: "Microsoft Yahei", Helvetica, Arial, sans-serif;
}
li {
    list-style: none;
}
h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, cite, code, del, dfn, em, img, q, s, samp, small, strike, strong, sub, sup, tt, var, dd, dl, dt, li, ol, ul, fieldset, form, label, legend, button, table, caption, tbody, tfoot, thead, tr, th, td {
    border: 0;
    font-weight: normal;
    font-style: normal;
    font-size: 100%;
    line-height: 1;
    font-family: inherit;
}
a {
    text-decoration: none;
}
ol, ul {
    list-style: none;
}
body {
    /*overflow: hidden;*/
    /*height: 8000px;*/
}
.f_bg {
    position: fixed;
    _position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    min-width: 1000px;
    z-index: -10;
    background-color: #000000;
    opacity: .8;
}
.f_box {
    text-align: center;
    padding-top: 130px;
}
.f_box img {
    display: inline-block;
}
.f_box .f_min {
    margin-top: 60px;
}
.f_box .f_min .btn:nth-child(1) {
    margin-right: 100px;
}
.f_box .f_min .btn {
    color: #fff;
    border: solid #fff 1px;
    background-color: transparent;
}
.btn {
    display: inline-block;
    padding: 4px 12px;
    margin-bottom: 0;
    font-size: 14px;
    line-height: 20px;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    border-radius: 3px;
}